{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.1"
              },
              {
                "fixed": "0.26"
              },
              {
                "fixed": "0.25.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "488961b8adc9a2e4310589a11d7cada1cd40d1fe"
            },
            {
              "fixed": "6317c5a1050505e2ec377acfd5dd4fd40450e6e6"
            }
          ],
          "repo": "https://github.com/hickory-dns/hickory-dns",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-83hf-93m4-rgwq"
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-706"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42254.json"
  },
  "details": "Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.",
  "id": "CVE-2026-42254",
  "modified": "2026-07-08T05:38:59.619129504Z",
  "published": "2026-04-26T02:38:41.261Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42254.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42254"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}